電磁軸承系統(tǒng)的設計與研究.pdf

1、北京工業(yè)大學碩士學位論文電磁軸承系統(tǒng)的設計與研究姓名：陳浩申請學位級別：碩士專業(yè)：機械制造及其自動化指導教師：伍良生20090501ABSTRACTABSTRACTMagneticbearingisdifferentfromthegeneralbearingsupportingtherotorbymagneticforcebasedonfeedbackcontroltheoryThereareaseriesofspecialperfor

2、mancessuchasnofriction，noabrasion，highspeed，highdegreeofaccuracyandlowpowerconsumptionTherefore，itCanbewidelyusedinthehighspeedandhighdegreeofaccuracyrotariesItisatypicalmechatronicsproductwithhightechnologyandhi曲addedva

3、lueHowever，becausemagneticbearingtechnologyrelatestomanysubjectslikemechanics，electronics，sensors，controlandcomputers，thereareaseriesoftheoriesandmethodsthatmustbestudiedbeforethemagneticbearingcanbeusedintheindustrialpr

4、oductsinourcoBntryIt’SgenerallyinthephaseoflabstudyfordomesticmagneticbearingstudyThisthesisbrieflyintroducesthedevelopmentsituationandthestudystatusofmagneticbearingaswellasitsmaintheoriesThen，themaindesignprocessofmagn

5、eticbearing’Sstructuredesignisgivenandthedesignprocessofstator’SstructuralparametersisilluminatedespeciallyAmixedinnovativesupportingsystemisadvancedwhichusesbothmagneticbearingandtraditionalbearingtosupportthespindleLar

6、gerigidityanddampingareneededinthefrontendofspindle，SOthemagneticbearingisusedhereAcoupleofangularcontactballbeatingsaleusedinthebackendofspindleItistheadvantagesthatassuringthehighrigidityandhighdampingofmagneticbeating

7、，simplifyingthestructureandsavingthecostFortheassistantbearing，anewstyleassistantbearingofmagueticbearingsystemisdesignedwhichiscontrolledtomovebyanelectromagnetTheengagementbetweentheassistantbearingandthespindleissmoot

8、heranditsservicelifeisenhancedSothereisgoodusevalueforitThedesignprocessofassistantbearingisgiven，andthedesignprocessesoftheelectromagnetandspringaleilluminatedespeciallyThethreedimensionalmodeliscreatedtoanalyzethespind

9、le’SmodalityusingthefiniteelementanalysismethodTheanalysisresultshowsthatthesystemwouldworkwithoutsympatheticvibrationunderthenormalworkingrotationalspeedKeywords：Magneticbearing；Assistantbearing；Electromagnet；Hi曲speedsp